Trigonometry (11th Edition) Clone

Published by Pearson
ISBN 10: 978-0-13-421743-7
ISBN 13: 978-0-13421-743-7

Chapter 2 - Acute Angles and Right Triangles - Section 2.3 Finding Trigonometric Function Values Using a Calculator - 2.3 Exercises - Page 66: 14

Answer

$\csc$ 145$^{\circ}$ 45' = 1.77681457

Work Step by Step

$\csc$ 145$^{\circ}$ 45' First, convert to a fraction $\csc$ 145$^{\circ}$ $\frac{45}{60}$ Convert the fraction to a decimal $\frac{45}{60}$ = 0.75 Therefore: $\csc$ 145$^{\circ}$ 45' = $\csc$ 145.75$^{\circ}$ $\csc$ 145.75$^{\circ}$ = $\frac{1}{\sin145.75}$ $\frac{1}{\sin13.25}$ = 1.77681457 $\csc$ 145$^{\circ}$ 45' = 1.77681457
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